2015-07-29 09:56:57 -04:00
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[[cat-nodeattrs]]
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== cat nodeattrs
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The `nodeattrs` command shows custom node attributes.
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["source","sh",subs="attributes,callouts"]
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--------------------------------------------------
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% curl 192.168.56.10:9200/_cat/nodeattrs
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node host ip attr value
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Black Bolt epsilon 192.168.1.8 rack rack314
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Black Bolt epsilon 192.168.1.8 azone us-east-1
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--------------------------------------------------
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The first few columns give you basic info per node.
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["source","sh",subs="attributes,callouts"]
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--------------------------------------------------
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node host ip
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Black Bolt epsilon 192.168.1.8
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Black Bolt epsilon 192.168.1.8
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--------------------------------------------------
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The attr and value columns can give you a picture of custom node attributes.
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[source,sh]
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--------------------------------------------------
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attr value
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rack rack314
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azone us-east-1
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--------------------------------------------------
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[float]
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=== Columns
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Below is an exhaustive list of the existing headers that can be
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2015-09-18 07:05:19 -04:00
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passed to `nodeattrs?h=` to retrieve the relevant details in ordered
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2015-07-29 09:56:57 -04:00
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columns. If no headers are specified, then those marked to Appear
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by Default will appear. If any header is specified, then the defaults
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are not used.
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Aliases can be used in place of the full header name for brevity.
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Columns appear in the order that they are listed below unless a
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different order is specified (e.g., `h=attr,value` versus `h=value,attr`).
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When specifying headers, the headers are not placed in the output
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by default. To have the headers appear in the output, use verbose
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mode (`v`). The header name will match the supplied value (e.g.,
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`pid` versus `p`). For example:
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["source","sh",subs="attributes,callouts"]
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--------------------------------------------------
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% curl 192.168.56.10:9200/_cat/nodeattrs?v&h=name,pid,attr,value
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name pid attr value
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Black Bolt 28000 rack rack314
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Black Bolt 28000 azone us-east-1
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--------------------------------------------------
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[cols="<,<,<,<,<",options="header",subs="normal"]
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|=======================================================================
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|Header |Alias |Appear by Default |Description |Example
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|`node`|`name`|Yes|Name of the node|Black Bolt
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|`id` |`nodeId` |No |Unique node ID |k0zy
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|`pid` |`p` |No |Process ID |13061
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|`host` |`h` |Yes |Host name |n1
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|`ip` |`i` |Yes |IP address |127.0.1.1
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|`port` |`po` |No |Bound transport port |9300
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|`attr` | `attr.name` | Yes | Attribute name | rack
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|`value` | `attr.value` | Yes | Attribute value | rack123
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|=======================================================================
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